UK Power Reserve is pleased to announce that it has partnered with Fluence, a market-leading global provider of energy storage technology and services to deliver the first phase of its 120MW battery storage portfolio. This partnership represents the single largest energy storage portfolio transaction with one technology provider announced in the UK to date.

The UK’s leading flexibility provider is starting construction on the first 60MW of its battery portfolio – a total of 120MW were secured in the 2016 Capacity Market auction – which will provide flexibility and security for UK power markets by delivering much-needed stability to the grid. Fluence will provide three
20MW battery energy storage systems at sites in the Midlands and North West using its market-leading Advancion energy storage technology platform. All three sites are expected to be operational during winter 2018/19.

UK Power Reserve’s total contracted portfolio recently broke through the Gigawatt ceiling, one of the largest of its kind globally: a combination of small-scale, nimble gas-fired power plants and battery storage facilities located near centres of demand. These flexible, low-carbon assets are more important than ever to support the growth of renewables, providing vital back-up power at the best value to consumers.

The company was recently acquired by Sembcorp Industries, a leading utilities, marine and urban development group with a global presence. In the UK, Sembcorp’s integrated energy business brings together centralised power, steam and water supply as well as industrial site services at the Wilton International site on Teesside, with UK Power Reserve’s multiple flexible assets across the country. Collectively, the business’ expertise extends across the full spectrum of the UK’s energy markets.

Sam Wither, Head of UK Power Reserve, said: “When we needed a partner to help us deliver on our ambitious 2018 battery storage plans, Fluence answered the call, just as we answer the call for UK consumers every minute of every day with our flexible, fast-responding gas fleet. Now we’re moving into battery storage and we’re really excited to work with Fluence. Battery storage will play an important part enabling the smart, flexible energy system of the future and UK Power Reserve is already front and centre
as we bring our commitments online quickly and efficiently. Together with our rapid response gas assets, we continue to demonstrate that we can deliver secure, low carbon electricity, value to the consumer and commercial success without compromise.”

Fluence’s Advancion platform is an industrial strength energy storage solution designed to provide the highest dependability for long-term operations. Coupled with Fluence’s highly experienced team providing operations and maintenance services to UK Power Reserve, the projects will support system reliability throughout the 15-year duration of the Capacity Market contracts. Advancion is also designed
to adapt with changes in the market, providing UK Power Reserve with ultra-fast response flexible assets that will enable the company to offer additional services as the needs of the grid or market conditions
change.

www.ukpowereserve.com 2

Company no. 07385252
Registered Office: 6th Floor,
Radcliffe House, Blenheim Court,
Solihull, West Midlands, B91 2AA
Fluence, a Siemens and AES company, is the most experienced energy storage technology and services
provider in the world. It has more than a decade of experience in deploying turnkey storage solutions
across the globe, including the largest lithium-ion battery-based energy storage system in North America
and the first grid-scale energy storage system on the island of Ireland.
“Fluence’s battery storage technology solves today’s energy challenges by adding fast, flexible capacity to
networks in transition,” said Paul McCusker, Managing Director, UK & Ireland, Middle East & Africa for
Fluence. “Working together with our partners we make cleaner, more efficient and more resilient energy
networks a reality. We’re honoured to join forces and expertise with UK Power Reserve as they deliver
these benefits at scale for UK consumers.”

The partnership brings together extensive industry expertise and local market knowledge to deliver long-
lasting and reliable energy storage solutions for the UK energy system. UK Power Reserve boasts a strong

track record in project delivery, having brought all of its 2014 Capacity Market contracts online nearly a
year ahead of schedule, and the development of its 2015 and 2016 Capacity Market commitments are
already well underway.

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